ui/base/cocoa/hover_image_button_unittest.mm

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #import "ui/base/cocoa/hover_image_button.h"
   6
   7 #import "base/memory/scoped_nsobject.h"
   8 #import "ui/base/test/ui_cocoa_test_helper.h"
   9
  10 namespace {
  11
  12 class HoverImageButtonTest : public ui::CocoaTest {
  13  public:
  14   HoverImageButtonTest() {
  15     NSRect content_frame = [[test_window() contentView] frame];
  16     scoped_nsobject<HoverImageButton> button(
  17         [[HoverImageButton alloc] initWithFrame:content_frame]);
  18     button_ = button.get();
  19     [[test_window() contentView] addSubview:button_];
  20   }
  21
  22   void DrawRect() {
  23     [button_ lockFocus];
  24     [button_ drawRect:[button_ bounds]];
  25     [button_ unlockFocus];
  26   }
  27
  28   HoverImageButton* button_;
  29 };
  30
  31 // Test mouse events.
  32 TEST_F(HoverImageButtonTest, ImageSwap) {
  33   NSImage* image = [NSImage imageNamed:NSImageNameStatusAvailable];
  34   NSImage* hover = [NSImage imageNamed:NSImageNameStatusNone];
  35   [button_ setDefaultImage:image];
  36   [button_ setHoverImage:hover];
  37
  38   [button_ mouseEntered:nil];
  39   DrawRect();
  40   EXPECT_EQ([button_ image], hover);
  41   [button_ mouseExited:nil];
  42   DrawRect();
  43   EXPECT_NE([button_ image], hover);
  44   EXPECT_EQ([button_ image], image);
  45 }
  46
  47 }  // namespace